1)   Simple MP3 Renamer 6.0
Rename MP3 files that you download from file sharing programs. No complicated options, just drag and drop your folders / files into the program and click 'Rename'. MP3s will have case corrected, underscores removed, appropriate spaces added.

 2)   Ashampoo MP3 AudioCenter 1.63
Ashampoo MP3 AudioCenter is your personal control center for extracting, burning, converting, editing and repairing of MP3 and other audio files! In the great tradition of Ashampoo software, this multimedia and CD burning application is really easy to use!